US10408381B2 - Lubricant container - Google Patents
Lubricant container Download PDFInfo
- Publication number
- US10408381B2 US10408381B2 US15/652,608 US201715652608A US10408381B2 US 10408381 B2 US10408381 B2 US 10408381B2 US 201715652608 A US201715652608 A US 201715652608A US 10408381 B2 US10408381 B2 US 10408381B2
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- US
- United States
- Prior art keywords
- housing
- cap
- lubricant
- deformable
- container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N19/00—Lubricant containers for use in lubricators or lubrication systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
- F16N31/002—Drain pans
- F16N31/004—Drain pans combined with container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
- B65D41/0471—Threaded or like caps or cap-like covers secured by rotation with means for positioning the cap on the container, or for limiting the movement of the cap, or for preventing accidental loosening of the cap
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/16—Snap-on caps or cap-like covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0202—Removable lids or covers without integral tamper element
- B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
- B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N11/00—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups
- F16N11/08—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups with mechanical drive, other than directly by springs or weights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
- F16N2031/008—Drain plugs
Definitions
- a lubricant container More particularly, but not exclusively, embodiments of this invention concern a lubricant container connected to a lubricated device to collect excess lubricant.
- a container of the above type comprises a cylindrical housing having a first axial end formed with an intake opening connected to a source of lubricant.
- the first axial end of the cylindrical housing is provided with an external thread for connecting with the source of lubricant.
- the source of lubricant may be a bearing.
- Such a container typically comprises a piston slidably mounted inside the housing, which divides the container into a front compartment into which the intake opening opens and a back compartment that is delimited by a second axial end of the cylindrical housing.
- the piston can thus be moved back as the compartment fills until it reaches the second axial end of the container preventing further movement.
- the second axial end is covered with a cap having a vent hole. The second axial end and the cap are typically joined together through a threaded coupling.
- a lubricant container of the above type can be improved in many aspects.
- a lubricant container of the above type can be improved in many aspects.
- An aspect relates to providing a lubricant container solving the above described inconveniences experimented in known lubricant containers.
- a container for collecting a lubricant comprising:
- the cap is attached to the second end of the housing by means of a snap connection for blocking the axial translation between the cap and the housing, the cap and the housing having respectively a first flat surface and a second flat surface contacting each other for preventing rotation of the cap around a longitudinal axis of the housing.
- the coupling provided between the cap and the housing permit to avoid using threaded coupling between them.
- this saves a manufacturing step, i.e. the threaded of the cap and of the first axial end of the housing.
- the snap connection and the flat surfaces can be directly provided on the cap and on the housing during the respective manufacturing process, for example during the respective moulding processes.
- the cap has a polygonal border, said snap connection and said first flat surface being provided on at least a face of the polygonal border.
- the cap may comprise a plurality of snap connections and a plurality of first flat surfaces and the polygonal border may comprises a first plurality of faces and a second plurality of faces, the plurality of snap connections and the plurality of first flat surfaces being respectively provided on the first plurality of faces and on the second plurality of faces.
- the first plurality of faces and the second plurality of faces may be interposed between one another, each face comprising of the first plurality comprising a snap connection and being interposed between two faces of the second plurality of faces.
- this provides an efficient coupling between cap and housing thanks to the symmetric distribution of snap connections and flat surfaces around the axis of the container.
- the cap comprises a vent hole, said vent hole comprising a guide for an external tool, the tool being insertable and guidable in the vent hole for pushing the piston from the first end to the second end of the housing.
- the vent hole may be coaxial with the longitudinal axis of the housing.
- these embodiments permit the use of hole on the cap with the double function of vent and of guide for pushing the cylinder away from the first end of the housing, i.e. for emptying the container by pushing the lubricant towards the first end of the housing.
- the housing comprises a first cylindrical portion where the piston slidably moves and a second conic portion for connecting the first cylindrical portion to the first end, and wherein the container further includes an adapter having:
- an adapter and in particular of the second deformable portion permits to minimize the loss of lubricant at the interface between the container and the source of lubricant. Further, the adapter provides an easy and practical guidance to the operator for the mounting of the housing, after the adapter has been connected to the source of lubricant.
- the second deformable portion of the adapter is cylindrical in shape and its deformable between a first configuration in which the second deformable portion does not contact the second conic portion of the housing and a second configuration in which the second deformable portion contact the second conic portion of the housing, the opening angle of the second deformable portion being greater in said second configuration than in said first configuration.
- the shape of the second deformable portion permits to achieve an effective sealing between the housing and the adapter.
- the piston comprises a circumferential surface having a first deformable circumferential lip extending towards the first end of the housing and a second deformable circumferential lip extending towards the second end of the housing, the first and the second circumferential lip being deformable for providing a sealing between the piston and the housing.
- this improves both the sliding and the sealing between the cylinder and housing.
- FIG. 1 shows an axonometric view of a lubricant container
- FIG. 2 shows a lateral view of the lubricant container of FIG. 1 ;
- FIG. 3 shows a longitudinal sectional view of the lubricant container of FIG. 1 , taken along the section line of FIG. 2 ;
- FIG. 4 shows a top view of the lubricant container of FIG. 1 ;
- FIG. 5 shows a bottom view of a cap of the lubricant container of FIG. 1 ;
- FIG. 6 shows a top view of a housing of the lubricant container of FIG. 1 ;
- FIG. 7 shows a further longitudinal sectional view of the lubricant container of FIG. 1 , with a piston in an intermediate position along the housing of the lubricant container;
- FIG. 8 shows a magnified view of the detail VIII of FIG. 5 ;
- FIG. 9 shows a top axonometric view of a cap for a lubricant container
- FIG. 10 shows a top axonometric view of the cap of FIG. 9 ;
- FIG. 11 shows a longitudinal sectional view of an adapter of the lubricant container of FIG. 1 .
- a container 1 for collecting a lubricant comprises:
- the lubricant is grease and the source of lubricant 5 is a bearing using grease as lubricant.
- the cap 13 is attached to the second end 12 of the housing 10 by means of a plurality of snap connections 20 for blocking the axial translation between the cap 13 and the housing 10 .
- the cap 13 and the housing 10 are respectively provided with a plurality of first flat surface 21 and a plurality of second flat surfaces 22 contacting each other for preventing the rotation of the cap 13 around a longitudinal axis Y of the housing 10 .
- the combined action of each snap connection 20 and of the coupling between each first flat surface 21 and the corresponding second flat surfaces 22 fixes the cap 13 to the housing 10 .
- the plurality of first flat surface 21 and a portion 20 a of the snap connection 20 can be directly provided on the cap 13 , when the cap 13 is manufactured, for example by injection moulding.
- the cap 13 has a polygonal border 14 with a plurality of border walls 30 , 31 (twelve border walls 30 , 31 in the embodiment of the attached figures). More in particular, the polygonal border 14 comprises a first plurality of border walls 30 (six border walls 30 of the first plurality, in the embodiment of the attached figures) and a second plurality of border walls 31 (six border walls 31 of the second plurality, in the embodiment of the attached figures). The first plurality of border walls 30 and the second plurality of border walls 31 are interposed between one another with respect to the longitudinal axis Y, each border walls 30 of the first plurality being interposed between two border walls 31 of the second plurality and vice versa.
- Each of the first plurality of border walls 30 comprises a first portion 20 a of a respective snap connection 20 .
- the first portion 20 a of the snap connection 20 is created on the cap 13 , for example through the same manufacturing process of injection moulding used for manufacturing the cap 13 , and includes at least four faces 23 a, b, c, d for providing four respective blocks (up, down, clockwise rotation and counter clockwise rotation) to the coupling between the cap and the housing 10 .
- Each of the second plurality of border walls 31 comprises an inner (with respect to the longitudinal axis Y) first flat surface 21 , which is subject to contact a respective second flat surface 22 provided on the first end 11 of the housing 10 for preventing both the clockwise and counter clockwise relative rotation of the cap 13 with respect to the housing 10 , around the longitudinal axis Y.
- the plurality of first flat surfaces 21 are also created on the cap 13 , for example through the same manufacturing process of injection moulding used for manufacturing the cap 13 .
- the housing 10 comprises a first cylindrical portion 41 where the piston 15 slidably moves and which include a free end corresponding to the second end 12 of the housing 10 .
- the second end 12 of the housing 10 has a shape which permits engaging with the cap 13 .
- the second end 12 has an external polygonal surface with a plurality of surfaces 24 , 22 (twelve surfaces 24 , 22 in the embodiment of the attached figures). More in particular, the polygonal border of the second end 12 of the housing 10 comprises a first plurality of circular surfaces 24 (six circular surfaces 24 , in the embodiment of the attached figures) and a second plurality of flat surfaces 22 (six flat surfaces 22 , in the embodiment of the attached figures).
- the first plurality of circular surfaces 24 and the second plurality of flat surfaces 22 are interposed between one another around the longitudinal axis Y, each circular surface 24 being interposed between two flat surfaces 22 and vice versa.
- Each of the circular surfaces 24 comprises a second portion 20 b of a respective snap connection 20 .
- the second portion 20 b of the snap connection 20 is shaped as a tongue insertable in the first portion of the snap connection 20 for engaging the four faces 23 a,b,c,d , thus providing four respective blocks (up, down, clockwise rotation and counter clockwise rotation) to the coupling between the cap and the housing 10 .
- the coupling between the cap 13 and the housing 10 is obtained by pushing axially, along the longitudinal axis Y, the cap 13 towards the first end of the housing 10 , thus bringing into engagement each first portion 20 a of the snap connections 20 with a respective second portion 20 b of the snap connections 20 a bringing into contact each first flat surface 21 with a respective second flat surface 22 .
- the housing 10 further comprises a second conic portion 42 interposed between the first cylindrical portion 41 and the first end 11 .
- the first end 11 is cylindrical like the first cylindrical portion 41 , but has a smaller diameter than the first cylindrical portion 41 . Therefore the second conic portion 42 is required to connect the first cylindrical portion 41 and the first end 11 .
- the first cylindrical portion 41 , the second conic portion 42 and the first end 11 have in common the same longitudinal axis Y.
- the first end 11 is provided with an external thread 45 .
- the adapter 16 comprises a first rigid portion 46 connectable between the first end 11 of the housing 10 and the source of lubricant 5 and a second deformable portion 47 subject to contact the second conic portion 42 of the housing 10 for providing a sealing between the housing 10 and the adapter 16 .
- the first rigid portion 46 is made of steel and the second deformable portion 47 is made of plastic material.
- the first rigid portion 46 comprises an inner thread 48 for connecting to the external thread 45 of the first end 11 of the housing 10 and an external thread 48 for connecting to the source of lubricant 5 , through a threaded duct (not shown in the attached figures).
- the second deformable portion 47 of the adapter 16 is conical in shape, thus permitting to receive the second conic portion 42 of the housing 10 .
- the second deformable portion 47 is deformable between a first configuration (shown in FIG. 11 ) in which the second deformable portion 47 does not contact the second conic portion 42 of the housing 10 (i.e. the adapter 16 and the housing are detached from each other) and a second configuration in which the second deformable portion 47 contact the second conic portion 42 of the housing 10 (i.e. the adapter 16 and the housing are attached to each other).
- the opening angle ⁇ of the second deformable portion 47 in the second configuration is greater than the opening angle ⁇ in the first configuration.
- the deformation of the second deformable portion 47 of the adapter 16 when receiving the housing 10 provides an optimal sealing between housing and adapter 16 , permitting to collect spills of lubricant from the housing 10 in the adapter 16 .
- the piston 15 is made of a plastic material and comprises a circumferential surface 50 having a first deformable circumferential lip 51 extending towards the first end 11 of the housing 10 and a second deformable circumferential lip 52 extending towards the second end 12 of the housing 10 .
- the deformable circumferential lip 51 , 52 are positioned on opposite longitudinal sides of the piston 15 .
- the first and the second circumferential lips 51 , 52 are deformable when contacting the inner wall of the first cylindrical portion 41 of the housing 10 , for providing a convenient sealing between the piston 15 and the housing 10 .
- lubricant enters the container 10 through the first end 11 and pushes the piston 15 towards the second end 12 , up to when the piston 15 contacts the cap 13 , i.e. the container 1 is full of lubricant.
- the cap 13 comprises a vent hole 18 , coaxial with the longitudinal axis Y of the housing 10 .
- the vent hole 18 comprising a guide 19 for an external tool (not shown). The tool is insertable and guidable in the guide 19 of the vent hole 18 for pushing the piston 15 from the second end 12 to the first end 11 of the housing 10 , thus forcing the lubricant to exit the housing 10 through the first end 11 .
- a longitudinal cavity 61 is provided on the piston 15 for engaging with the external tool.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Coating Apparatus (AREA)
Abstract
Description
-
- the coupling between the second axial end of the container and the cap can be improved by making it easier the assembling and more difficult the disassembly,
- the coupling between the second axial end of the housing and the cap requires threads to be provided both on the second axial end of the container and on the cap, i.e. further manufacturing steps are necessary after the manufacturing of the cylindrical housing and of the cap, which are both normally obtained by a moulding process,
- in the container of the above described type, at service, an operator is not able to empty the container, particularly when the container is full of lubricant, i.e. when the piston reaches the second axial end,
- the threaded coupling between the first axial end of the cylindrical housing and the source of lubricant does not allow an easy mounting or substitution of the lubricant container, particularly when the operator cannot visually see the mounting position,
- further, the threaded coupling between first axial end of the cylindrical housing and the source of lubricant does not provide an efficient sealing.
-
- a housing having a longitudinal axial extension between a first end connectable to a source of lubricant and a longitudinally opposite second end,
- a cap attached to the second end,
- a piston slidably movable inside the housing between the first end and the second end of the housing.
-
- a first rigid portion connectable between the first end of the housing and the source of lubricant, and
- a second deformable portion subject to contact the second conic portion of the housing for providing a sealing between the housing and the adapter.
-
- a
housing 10 having a longitudinal axial extension along a longitudinal axis Y. The housing a first between a firstlongitudinal end 11 connectable to a source of lubricant, schematically represented inFIG. 1 by a block with thereference sign 5, and a longitudinally oppositesecond end 12, - a
cap 13 attached to thesecond end 12, - a
piston 15 slidably movable inside thehousing 10 between thefirst end 11 and thesecond end 12 of thehousing 10, - an
adapter 16 having a firstrigid portion 46 connectable between thefirst end 11 of thehousing 10 and the source oflubricant 5.
- a
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102016220407.6 | 2016-10-18 | ||
DE102016220407 | 2016-10-18 | ||
DE102016220407 | 2016-10-18 |
Publications (2)
Publication Number | Publication Date |
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US20180106426A1 US20180106426A1 (en) | 2018-04-19 |
US10408381B2 true US10408381B2 (en) | 2019-09-10 |
Family
ID=59337494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/652,608 Active 2038-01-25 US10408381B2 (en) | 2016-10-18 | 2017-07-18 | Lubricant container |
Country Status (4)
Country | Link |
---|---|
US (1) | US10408381B2 (en) |
EP (1) | EP3312493B1 (en) |
CN (1) | CN107956993B (en) |
DK (1) | DK3312493T3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2955732T3 (en) | 2020-04-27 | 2023-12-05 | Siemens Gamesa Renewable Energy As | Grease collection arrangement |
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US822895A (en) * | 1906-02-14 | 1906-06-05 | Frederick Henkelman | Closure for bottles, jars, &c. |
US1333245A (en) * | 1919-06-18 | 1920-03-09 | Edwin F Carson | Milk-bottle and cap |
US1373437A (en) | 1919-08-21 | 1921-04-05 | Lougheed Victor | Lid or closure for receptacles |
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- 2017-07-12 EP EP17180866.0A patent/EP3312493B1/en active Active
- 2017-07-12 DK DK17180866.0T patent/DK3312493T3/en active
- 2017-07-18 US US15/652,608 patent/US10408381B2/en active Active
- 2017-10-18 CN CN201710970867.3A patent/CN107956993B/en active Active
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EP3312493B1 (en) | 2020-01-29 |
DK3312493T3 (en) | 2020-04-14 |
CN107956993B (en) | 2020-03-24 |
EP3312493A3 (en) | 2018-07-18 |
EP3312493A2 (en) | 2018-04-25 |
CN107956993A (en) | 2018-04-24 |
US20180106426A1 (en) | 2018-04-19 |
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